Rohde & SchwarzHMF2525 Arbitrary Waveform Generator 25MHz

Detailed Information

－Frequency Range: 10μHz～25MHz
－Output Level: 5mVpp～10Vpp (50Ω input impedance), DC Offset: ±5mV～5V
－Arbitrary Waveform Generator: 250Msa/s sampling, 14-bit, 256k memory depth
－Sine wave, Square wave, Pulse, Triangle, Sawtooth, Arbitrary wave (built-in standard, pink noise, etc.)
－Total Harmonic Distortion: 0.04% (f＜100kHz)
－Pulse, Sweep, Gated, External Trigger
－Rise Time <8ns, Pulse mode adjustable edge time from 8ns to 500ns
－AM, FM, PM, PWM, FSK modulation (internal and external)
－10MHz Timebase: ±1ppm TCXO, rear panel I/O BNC connector
－Front panel USB connection: Store/recall settings and waveforms
－3.5” TFT display for waveforms and all parameters
－Standard current-isolated USB/RS-232 dual interface, optional LAN/USB or IEEE-488 interface

Technical Specifications (All data tested under conditions: preheated for 30 minutes at 23℃)

Frequency

Frequency Range 10μHz～25MHz

Temperature Stability 1ppm (18～28℃)

Aging (after one year) ±1ppm (25℃)

Amplitude

Output Voltage 5mVpp～10Vpp (50Ω impedance)

Resolution 1mV

Setting Accuracy ±(1% control + 1mVpp) at 1kHz

Frequency Response f＜10MHz: ±0.1dB

10MHz≤f＜25MHz: ±0.2dB

25MHz≤f＜50MHz: ±0.4dB

DC Offset

Voltage Range (AC+DC) ±5mV～5V (50Ω impedance)

Accuracy Offset ±2%

Signal Level ±0.5%

±2mV

Units Vpp, Vrms, dBm

Sine Wave

Total Harmonic Distortion f＜100kHz: ＜-70dBc

100kHz≤f＜10MHz: ＜-50dBc

10MHz≤f＜25MHz: ＜-40dBc

f≥25MHz: ＜-37dBc

Purity (Non-harmonic 1Vpp) f＜1MHz: -70dBc

1MHz＜f＜50MHz: -70dBc+6dBc/0ktave

Total Harmonic Distortion (f≤100kHz) 0.04% typical

Phase Noise (10MHz, 10kHz offset) ＜-115dBc/Hz typical

Square Wave

Rise/Fall Time ＜8ns

Overshoot typical ＜3%

Symmetry (50% duty cycle) 1%+5ns

Jitter (RMS) typical ＜1ns

Pulse Wave

Frequency Range 100μHz～12.5MHz

Amplitude 5mV～+5V corresponding to -5mV～-5V (at 50Ω)

Rise/Fall Time ＜8ns, variable up to 500ns

Pulse Width 10ns～999s

Resolution 5ns

Jitter (RMS) typical ＜500ps

Overshoot typical ＜3%

Triangle Wave and Sawtooth Wave

Frequency Range 10μHz～5MHz

Symmetry 0～100%

Linearity f＜250kHz: typical ＜0.1%

f≥250kHz: typical ＜2%

Arbitrary Waveform

Frequency Range 10μHz～12.5MHz

Sampling Rate 250Msa/s

Vertical Resolution 14Bit

Bandwidth (-3dB) ＞50MHz

Signal Length up to 256KPts

Non-volatile Memory 512kPts

Defined Waveforms Exponential increase and decay, Sin(x)/x, Filtered, Red noise

Inputs and Outputs

Signal Output BNC socket (front panel) Short-circuit protected, maximum ±15V external voltage

Impedance 50Ω

Gated/Trigger Input BNC socket (front panel)

Impedance 5kΩ Ⅱ 100pF

Level TTL (up to ±30V protection level)

Edge Positive/Negative (selectable)

Pulse Width minimum 100ns

Trigger Output BNC socket (front panel)

Impedance 50Ω

Edge Positive TTL level

Frequency maximum 10MHz

Modulation Input BNC socket (front panel)

Impedance 10kΩ

Maximum Input Voltage ±5V pre-modulation

Bandwidth (-3dB) DC～50kHz (sampling rate 250kSa/s)

Reference Input BNC socket (front panel)

Impedance 1kΩ

Frequency 10MHz±100kHz

Input Voltage TTL

Reference Output BNC socket (front panel)

Impedance 50Ω

Frequency 10MHz

Output Voltage 1.65Vpp (at 50Ω)

Harmonic Output BNC socket (front panel)

Impedance 200Ω

Output Voltage 0～5V, synchronized with sweep